Log Message:
Update to 2.1.1

Major changes compared to the Kronolith H3 (2.1.1) version are:
* Fixed fatal error during first login of new users on some systems.
* Fixed adding of events with no DataTree backend configured.
* Improved attendees popup and portal block.
* Updated German, Italian and Spanish translations.

The full list of changes (from version H3 (2.1.1)) can be viewed here:
http://cvs.horde.org/diff.php/kronolith/docs/CHANGES?r1=1.165.2.112&r2=1.165.2.120&ty=h